http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57719
--- Comment #5 from Mikael Pettersson <mikpe at it dot uu.se> --- (In reply to Zhendong Su from comment #2) > test #4: wrong code from gcc trunk (but not gcc 4.8) at -O3 in both 32-bit > and 64-bit modes: The wrong-code for test #4 also started with r198121.